Subclass so can get at protected methods (none at moment). Also, creates
a FileSystem instance per instantiation. Adds a shutdown own FileSystem
on the way out. Shuts down own Filesystem only, not All filesystems as
the FileSystem system exit hook does.

Field Detail

shutdownThread

user

killedServers

List of RegionServers killed so far. ServerName also comprises startCode of a server,
so any restarted instances of the same server will have different ServerName and will not
coincide with past dead ones. So there's no need to cleanup this list.